nf en 752 pdf

Manufacturers are constantly updating their products and so the details given are subject to change. This method is particularly suitable when considering the environmental impact of discharges from outfalls and combined sewer overflows. A flow equal to twice the average daily domestic flow see Table B. Where more than one drain feeds a trench soakaway, each connection should be via a suitable access chamber. The standards state that independent storm discharges via the combined sewer overflows CSOs to identified bathing waters, or in close proximity to such waters, should not, on average, exceed a specified spill frequency.

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